8
1 4 8 7
6 5 2 3 4
9 7
3 2 8 6 1
5 4
1 7 4 2 6
4 6 9 5
7
10-01-2019.......medium 10-01-2019
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4 9 8 3 6 7 5 2 1
3 1 2 5 4 9 8 7 6
7 6 5 8 1 2 3 9 4
8 2 9 1 7 4 6 3 5
5 3 4 2 8 6 9 1 7
6 7 1 9 5 3 4 8 2
1 8 7 4 3 5 2 6 9
2 4 6 7 9 8 1 5 3
9 5 3 6 2 1 7 4 8
4=>(1,1) | 8=>(3,4) | 1=>(3,5) | 9=>(3,8) | 1=>(6,3) | 4=>(5,3) | 2=>(9,5) | 3=>(7,5) |

4=>(4,6) | 1=>(8,7) | 2=>(8,1) | 4=>(9,8) | 1=>(1,9) | 6=>(1,5) | 2=>(1,8) | 7=>(3,1) |

2=>(2,3) | 3=>(9,3) | 1=>(4,4) | 7=>(8,4) | 1=>(9,6) | 9=>(5,7) | 3=>(8,9) | 6=>(9,4) |

9=>(1,2) | 7=>(1,6) | 5=>(1,7) | 3=>(2,1) | 5=>(5,1) | 6=>(2,9) | 7=>(6,2) | 3=>(4,8) |

7=>(5,9) | 8=>(8,6) | 6=>(4,7) | 5=>(7,6) | 3=>(1,4) | 8=>(4,1) | 6=>(6,1) | 9=>(9,1) |

5=>(2,4) | 9=>(2,6) | 2=>(4,2) | 5=>(9,2) | 8=>(7,2) | 5=>(4,9) | 2=>(6,9) | 8=>(6,8) |

3=>(6,6) | 9=>(7,9) | 9=>(6,4) | 8=>(9,9) |